PH-989
Kinetic energy
Physics · Secondary 3 · Medium · Kinetic energy
A 0.40 kg ball is dropped from rest and reaches a speed of 6.0 m/s just before hitting the ground. Take gravitational field strength as 10 N/kg. Using the kinetic energy formula, what is the kinetic energy of the ball just before impact?
- 7.2 J
- 12 J
- 2.4 J
- 72 J
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